ASDA-B2-F Wiring
September, 2015
3-3
3
3.1.2 Connectors and Terminals of Servo Drive
Terminal
Signal
Name
Description
L1c, L2c
Power input of the
control circuit
Connect to single-phase AC power (Select the appropriate
voltage specification according to the product.)
R, S, T
Power input of the main
circuit
Connect to three-phase AC power (Select the appropriate
voltage specification according to the product.)
U, V, W
FG
Motor cable
Connect to the servo motor
Terminal
Symbol
Wire
Color
Description
U Red
Three-phase main power cable of
the motor.
V White
W Black
FG Green
Connect to ground terminal (
)
of the servo drive.
P
, D, C,
Regenerative resistor
terminal, braking unit, or
P
and
.
Use internal resistor
The contact between P
and D
end should be short-circuited;
contact between P
and C end
should be opened.
Use external resistor
Connect P
, C ends to the resistor
and the contact between P
and
D end should be opened.
Use external braking
unit
P
and P
of the brake unit
should connect to the resistor. The
contact between P
and D and
P
and C should be opened. P
connects to the positive end of
V_BUS voltage;
connects to
the negative end of V_BUS
voltage.
Ground terminal
Connect to the ground wire of the power and servo motor.
CN1
I/O connector (Option)
Connect to the host controller. Please refer to section 3.3.
CN2
Connector for encoder
(Option)
Connect to the encoder of the motor. Please refer to section 3.4.
CN3
Connector for
communication (Option)
Connect to RS-232. Please refer to section 3.5.
CN6
DMCNET Connector
RJ45 connector. Please refer to section 3.6.
Pay special attention to the followings when wiring:
1. When the power is cut off, do not touch R, S, T and U, V, W since the capacitance inside
the servo drive still contains huge amount of electric charge. Wait until the charging light is
off.
2. Separate R, S, T and U, V, W from the other wires. The interval should be at least 30 cm
(11.8 inches).
3. If the wire of CN2 is not long enough, please use shielded twisted-pair cable which cannot
exceed 20 meters (65.62 inches). If it exceeds 20 meters, please choose the bigger wire
diameter of signal cable to ensure it will not cause signal fading.
4. When selecting the wire rod, please refer to Section 3.1.6.
Summary of Contents for ASD-B2-0121-F
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